howard



Sept. 6, 1932. K. s. HOWARD LocoMoTIv'E: STRUCTURE 5 sheets-sheet J.

Filed April 27, 1931 ln Ven far- /af/ 5;//onfa/d Sept. 6, 1932. K. s. HOWARD 'LOCOMOTIVE STRUCTURE Filed April 27, 1951 5 Sheets-Sheet 2 Sept. 6, 1932. K. s. HOWARD 1,875,343,

I LOCOMOTIVI STRUCTURE Filed April 27, 1931 v s Sheets-sheet s In Ven for' Patented Sept. 6, 1932 UNITED-STATES,

PATENT OFFICE RARI. s. `HOWARD, or sT. LOUIS,` MISSOURI, AssIGNoR To GENERAL lSTEELv cAsTINGg CORPORATION, or GRANITE CITY,` ILLINOIs,A CORPORATION or DELAWARE Y LOOONOTIVE STRUCTURE 'Application ld April 27,

My invention relates to -railway rollingA stock and consists ina novel construction and arrangement of a locomotivesmoke-box,live

n steam piping, and'throttle valve.

In my co-pendng application, Serial'NO.' 533,325, filed April 27, 1931, I utilize a single pipe for conducting live steam. from the superheater header in the top of the smoke box downwardly to a'connectionin the cylinder saddle. A forked live steam pipe, formedV integrally with the saddle, conducts the steam from the lower end of this pipe outwardly to the valve chambers. The throttle valveis mounted either within the saddle or in the lower part of the steam pipe in the smoke box. VIn this manner, the throttle valve is accessible from the outside of the lower p0r-y tion of the locomotive andspace is conserved within the smoke box to accommodate various appliances usually located therein and the' usual openings inthe smoke box wall -for steam pipes leading outwardly to the'valve chambers are eliminated." The main object of the present invention is to retain many of the -advantages secured by the structure illustrated in the above mentioned application and at the same time to make the throttle valve housing and a part of the live steampipe integral with the smoke 3d box structure. 1

I attain this general obj ect and other more detailed objects in the construction illustrated fin the accompanying drawings in which- Figure 1 is a side view of the front portion and smoke box mounted' thereon, the front end of the smoke box being omitted.

Figure 2`is a front front view of the same.

Figure 3 is avertical transverse section taken on line 3-3 of Figure 1.

Figures 4 and 5 arey sections taken -on the corresponding section lines of Figure 2.

Figure 6 is a front view of a modified form ofmy invention. i

Figure 7 is a partial side elevation of the same.

Figure 8 is a bottom viewof the structure shown in Figure 7. Y

Figure 9 is a substantially horizontal longitudinal section on the line 9 9 of Figure 7.y

of a locomotive showing the'cylinder saddle 1931.` Vserial No. 533,326.

, comprising main steam cylinders 4, valve chambers 5,"and a smoke box support 6, is

shownintegral with the main frame, although any suitable construction of these `parts may be adopted without departing from the spirit of the invention. Integral with the saddle 6 are exhaust steam passages 7' extending from` each valve chamber 5 inwardly throughthe saddle and upwardly into the smoke box 8. Live steam passages 9 also extend from the upright passage 10, which projects up into the smoke box at fone side of thesaddle, to each valve chamber. f-

The smoke box, indicated in general by the Figure 8, includes a cylindrical outer wall 11 .adapted to besecured to the front end of the boiler shell (not shown) and having anopening 17 in the top for the smoke stack `and another opening 18 in its bottom portion for exhaust and live steam connections; A live steam pipe 12 is formed integrally with the wall 11 of the .smoke box and connects at its bottom end with the upright passage 10 projecting through the saddle and at its top end with the super-heater header 13. A throttle valve housing 14 is formed in the pipe 12 and an opening L15 is provided in the smoke' box wall for `insertion of the valve mechanism and to permit access thereto. A partition 18 extends across steam pipe 12 adjacent' opening 15 and is provided with a renewable valve seat 18a. Steam pipe 12 corresponds in general with the curvature of the smoke box wall 11 and a portion 19 of the pipe also serves as a depressed portion of the wall, as shown infFigures 4 and 5. This portion 19 is indented from the remainino portions of the wall 11 to prevent the throttle mechanism from proj ecting too far out from the side of the smoke box .and also to permit the application of laggingor heat insulation to the pipe 12., A plate (not shown) may be secured 'over this indented portion of the casting to retainthe lagging in place and to form a continuation of the cylindrical outer surface of the smoke box.

l'oo a plurality of openings 24 for insertion of" valves-221-i and' to permit yaccess thereto, and reneW-ablevalve seats 25er-amounted in parftition 26 extending across pipe 21.

By the constructions described above, much' of the labor and expense usually necessary, in installing steam piping Within the smoke boxis-reliminated; 1 Moreover, by.` the eliminationfof bolted or riveted connections-between livesteampiping andthe throttle-.valve housingrand. thefsmoke box. Wall, the-necessity of continuaL inspection` and rep air caused byy boltsorrivets-Working loosefis obviatedf.. Obviously,I the preferred forms: of my invention.{illustra-todi and described may be modified as tovarious-.details Without depart.- ing-tronilithoY spirit. ofV the invention and I contemplate.- the exclusive use. of all such modifications-as comefW-ithin. the-scope of*V my` claimsl Licia-im: y

1.A En a1. locomotive, a smokeY box. support, a smoke box including an: outer Wallmounted' on'saidfsupporQ-a.line; steam pipe extendirrgfinto.thel toposaid smoke box', and a single; steamf pipefintegral- -With-f said outer. Wall.r and extending trom: said, first mentioned steamf pipethrough said'- smokel boxfy and insaid support.

23 In a=.locomotive,. a: smokefbox-fsupport. havinga singlev live steam passagelextend l ing through-the top; thereof., aw smoke box-r mounted. onz said support. and including: am outenvvall, and: af liveY steam pipeiformed integrally with; said; wall and: connecting'.r With said .steamr passage andr'extending: intoi the.` uppen part of said box;

. .31'. In ai locomotive,y a smokez box` support,l a'. smokeibox mountedi thereon and' includingi af. curved` outer-Wall, and a single-,live steam pipe; lfollowing: the,x curvature: of* said. Wall" L from a point in the uppenpartsof.saidsmokeg bioxfftoraf peint' nenni thevv botitnni theneo. and connecting Witlr aflirve steampipe;4 projectsv ing from. Within said: support. through the; bottlomf otY said' smokerI box.

` 4;. Ina locomotilve',.a smoke boxtincluding a curved.v outer Wall', andi azliveV steam: pipe; in-

tegnah with said;vvf.all:.and.adapted.tn connect- Witln affpassage. projecting; upz through` bottom: osaid smokezbox; al portion. of the; Wall. of said pipeformin'gfaiporiiion offsaid outerzvvalll.

a locomotive.l integralI cast. metal structure, a; smoke; box. Walk. ai live; steam?. pi'peg. an daanthrottle valve housing` having: aan opening leading to the exterior of said Wall;I

6. In a locomotive integral cast metal structure, a smoke box Wall, a live steam pipe, and a housing for a plurality of throttle valves, said housing-having openings leading to the exterior of said Wall.

7.. Incombination in. a. locomotive, an integral stiruoture comprisingxa smoke box saddle, steam control chambers, and live kste-am passages extending inwardly from said chambers and merging-iii aL substantially up right -portionextending through'l tlie' top of said support, and another integral structure including a smoke box outer Wall and a live steam,pipesaid-pipeconnecting with said 4upright portion in the support.

8; In a` locomotive,., a smoke box having ani outer Wall-,.a,.line steam/pipe integraltherewitli,.a-,portion of' saidV pipe forming.Y a` portion of saidWall-i andisaid-.latter portion: haivingan: opening thereini into. the interior of said.Y pipo, and! thmttle valve housing Within-saidpipe and? adjacent said opening.

9i. In a; locomotive,l asmoke-box having. an. outer .Wall a live. steam f pipe integral; there-1 With-f, apontion. ot.- said pipe, formingv af por-` tion; of. said Wall and .saidflatter portion haiv-Y in;g. openings; therein; intoithe interior. of said.- pipe,Y andL a housingjfor. a.- plurality. ot thrott-leyval-ves within. said pipe-andL adjacent` said; openings... I

10;. In alocomotime, asmoke box.- havingzj anf outer Walla live steam pipe integral there.- Witlifra .portion-.ot said pipeeforming. a-portioni off saidwall-andsaidflatten pontion havinggan openinggthereinj -into-the-.interion of said. pipe, a .throttle valvev housing jwithinf saidapipe .and adiacenti said opening, and al. nenewable valve seat mounted in said housing,

. 121.. Ifnf. alocomotive, the, combination` of a smokefbom heaving@l anI outer wallpa! live. steam'- pipe4 integral 'i'.hei'ewith,A afportionof saidi pipe. formingl aaportionf of said Walland saidlatter fportion;having; openings-.therein into.- the: interior' of :said pipe,..a1-housingj for 'aJ plurality of throttle valves Within said: pipe andz adj acont-,said openings,4 andf a plurality of: renewable'nalaat-seats.v mounted in said housing. f .12:1In-ailooomotlive,arsmoke box having an outen W-all, a; live :steam: pipe c integraly there- Wit-hf, av portionV ofi saidf pipe forming; a portion of sa-idrwall andi-said.latterrportiomhav-- ing: openings `thereilninto,v theA interior ot said pipe: and.. afpant-ition Wall: Within'. saidl pipe adjacent said openings, said` partition Wall having openings for; throttle valves- 13. A ylocomotive smoke; box having` a: curvedioner'wall, a-.ltve steamfpi'pe having a portion of its Wall forming azportion ofsaid. outer'wafll` and? corresponding; with the` curvature thereof, and a throttle valve housing; integrali with saidlattonf pontioni 14. In a locomotive, a smoke.'boxhaving; anv entier-Win31,. atliniewsteajmz pipe integral therewith, .w portion: off. saidi pipe; i:`ormin; );v a:

portion of said wall and said latter portion having openings therein into the interior of said pipe, a partition wall within said pipe adjacent said openings, said partition Wall having openings for throttle valves and renewahle valve seats.

15. A locomotive smoke box having an outer wall, and a live steam pipe integral with said wall and extending from, the top of said smoke box downwardly to an opening in the bottom thereof.

16. In a locomotive, a smoke hoxhaving anl outer wall, a live steam pipe on the inside of said boX and integral therewith, and a throttle valve housing located intermediate the ends of said pipe and integral with said pipe and wall and having an opening leading to the exterior of the latter.

In testimony whereof I hereunto aix my signature this 21st da of April, 1931.

KRL S. HOWARD. 

